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http://dmiessler.com/study/tcpdump_recipes
Small headphone amp with 12AE6A
http://www.ibiblio.org/tkan/audio/millett.html
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http://www.scienceprog.com/rs232-emulates-i2c-for-24cxx-memory-programming
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http://www.semifluid.com/?p=24
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http://www.jogis-roehrenbude.de/Leserbriefe/Scope-Clock/Scope-Clock.htm
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http://avr.auctionant.de/avrETH1/index.html
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http://www.instructables.com/id/EZ5VV035AXEV2Z4NZY/?ALLSTEPS
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http://www.instructables.com/id/EP6P83PSX1EV0FB8EX/?ALLSTEPS